Home / 29,200.38-40,305.43-18,304.41

Finding the Fourth Proportional to 29,200.38, 40,305.43 and 18,304.41

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Solution

The fourth proportional to 29,200.38, 40,305.43 and 18,304.41 is: 25,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,200.38 : 40,305.43 = 18,304.41 : x
  2. Step 2: Convert to fraction form
    29,200.38/40,305.43 = 18,304.41/x
  3. Step 3: Cross multiply
    29,200.38x = 40,305.43 × 18,304.41
  4. Step 4: Simplify right side
    29,200.38x = 737,767,289.97
  5. Step 5: Solve for x
    x = 737,767,289.97/29,200.38
  6. Step 6: Final answer
    x = 25,265.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.